Sider
Sider AI
Multi-model AI side-panel for any browser tab.
Browser extension that drops a Claude / GPT / Gemini panel onto any page — summarize the article, chat with the PDF, translate the YouTube transcript. Pluggable across providers in one subscription.
Worth knowing
Founded in 2023 by Joel Liu and based in Boston; the extension now reports over 10 million active users.
- browser
- side-panel
- multi-model
- summarize